Toshiba Regza 32AV615DB blank screen HDMI Linux

I have this nice Toshiba TV which is connected to a small Linux box which act as a media player. I have been some issue lately the things works fine under the 1920×1800 resolution most of the time. But once in a while I get a blank screen and the nvidia driver telling me this :

(II) Dec 03 17:00:19 NVIDIA(0): “nvidia-auto-select”
(II) Dec 03 17:00:19 NVIDIA(0): Virtual screen size determined to be 640 x 480
(WW) Dec 03 17:00:19 NVIDIA(0): Unable to get display device CRT-0’s EDID; cannot compute DPI
(WW) Dec 03 17:00:19 NVIDIA(0): from CRT-0’s EDID.
(==) Dec 03 17:00:19 NVIDIA(0): DPI set to (75, 75); computed from built-in default
(==) Dec 03 17:00:19 NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
(–) Depth 24 pixmap format is 32 bpp

Spend a long time trying to debug the thing by the software but it seems that the TV has some kind of trouble and if I switch it to another HDMI connection it does detect fine which I do at about every week… not a biggie but still annoying.

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